Prediction of High-Tech Talents Flow Impact on Labor Income Share: Based on DEA and Fractional Hausdorff Grey Model

Table 7

The estimation results of 25 provinces and the catching-up index is the mediator variable.

Variable	Model 1	Model 6	Model 7
Labor_grav	−1.82E − 06	15.63299	−4.75E − 07
	—	—	7.47E − 09
Urb	−7.20E − 08	−0.0463	−5.91E − 08
Edu	−1.43E − 07	−0.4683	5.88E − 08
Pen	−1.68E − 08	0.1568	2.66E − 08
Unempl	3.41E − 07	−0.1812	−5.97E − 08
Heal	−4.54E − 08	−0.0101	4.61E − 09
Hwd	1.41E − 07	0.0710	−1.12E − 07
Rwd	5.91E − 08	−0.1601	1.84E − 08
	1.01E − 07	0.4337	8.60E − 08

Significance under level of 10%; significance under level of 5%; significance under level of 1%. Data source: calculation.